Are you talking about role-based authorization (i.e. no administrators (role) can access the bean), or are you talking about user-based authorization (i.e. the "ab989" account can't access the bean)?
If you're concerned with role-based authentication, then the logic forms you refer to should be able to do the job since they refer to roles.
If you're concerned with user-based authentication, I don't know of any out-of-the-box way of having Struts check for it.
You should be able to subclass the Struts bean that implements the particular logic tag that you want to use to perform the security check and then override the security method with your own code.
Darryl